# Service bulletins for the 1991 Buick Skylark

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

9 bulletins from NHTSA, as of 2026-10-19.

- [130089009](/bulletins/10246631.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Expanded Availability for Remanufacture and Return \(R\&R\) Electronic Control Modules
- [04152004](/bulletins/10009220.md), 2004-09-17, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. VEHICLES MAY SET ANYONE OR A COMBINATION OF FRONT\-WHEEL SPEED SENSOR ANTI\-LOCK BRAKE SYSTEM CODES AS INTERMITTENT OR HARD FAILURES. GM VOICEMAIL EXPRESS. \*TT
- [00966](/bulletins/10007816.md), 2004-07-12, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. ANTI\-LOCK BRAKING SYSTEM \(ABS\) FRONT WHEEL SPEED CODES \- JUMPER HARNESS. \*TT
- [00966B](/bulletins/10007293.md), 2004-06-09, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. ABS FRONT WHEEL SPEED CODES \- JUMPER HARNESS. \*TT
- [000524001](/bulletins/613590.md), 2000-07-25, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. \*\*MR
- [970801735026](/bulletins/54419.md), 1998-04-07, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES \(DTC'S\) 46 AND 86 SET AS CURRENT OR HISTORY. \*YC
- [435006A](/bulletins/43021.md), 1995-11-01, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. UNKNOWN
- [911045](/bulletins/39551.md), 1995-11-01, Service bulletin: VISIBILITY:WINDSHIELD. HIGH EFFORT MANUAL WINDOW REGULATOR. \*TW
- [433211](/bulletins/37843.md), 1995-01-11, Service bulletin: STEERING. CRUNCH NOISE FROM RIGHT SIDE DASH AREA WHEN TURNING STEERING WHEEL. \*TW

JSON: [/v1/vehicles/1991_buick_skylark/bulletins](/v1/vehicles/1991_buick_skylark/bulletins)

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